Harness comparisonAI Coding

Devin (GPT-6 Astra) vs DeepSeek Harness (DeepSeek V4.1 Flash 1017)

Living koi pond in Three.js, highest reasoning

0:00 / 0:32

GPT-6 Astra and DeepSeek V4.1 Flash 1017 get the same koi pond prompt at the highest reasoning setting. Astra took 20 min and $7; DeepSeek took 1 h 40 min and $0.90.

Each side pairs a coding harness with its own model, so harness and model differences are mixed. All harness comparisons.

The post, itemised

Task
Living koi pond in Three.js, highest reasoning
Category
3D & Shaders
Mode
Not stated
Posted
Video length
32.1 s
Likes
612
Views
79,210
Bookmarks
123
Sponsored
No

NotesThe prompt is in the author's first reply. The author asks readers to pick a winner and doesn't name one. Reposts of this video by other accounts carry their own verdicts; only the author's view is used here.

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